Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-03-2024 21:51

General

  • Target

    2024-03-29_c98b6ecb61e209387d0ad1edc35e65f0_karagany_mafia.exe

  • Size

    250KB

  • MD5

    c98b6ecb61e209387d0ad1edc35e65f0

  • SHA1

    c83025e25c9d91a3164abad5d291a3d79d37c109

  • SHA256

    3562499be0c5fec1558c2facf8ae1f27fb1b25f72c026598f7f0fc3b07c49002

  • SHA512

    4c62fbdf1345acc434920ad1e4aff2027e016e6ae9298f530245d098d310fc83c106764de35f1b8bb7f8da7ff14c00e7970c4e3046f44a61cd69920ac132ff81

  • SSDEEP

    3072://yK5d0Gj0+nY3uEBLvBNfdUR2/qFnB8o2+vU3WuvIBuj00nReaXkuSQ7cdOd3://y20Gj0r+EBFrkvlU3RvIUDOIN

Malware Config

Signatures

  • GandCrab payload 4 IoCs
  • Gandcrab

    Gandcrab is a Trojan horse that encrypts files on a computer.

  • Detects Reflective DLL injection artifacts 4 IoCs
  • Detects ransomware indicator 4 IoCs
  • Gandcrab Payload 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-29_c98b6ecb61e209387d0ad1edc35e65f0_karagany_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-29_c98b6ecb61e209387d0ad1edc35e65f0_karagany_mafia.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\nslookup.exe
      nslookup carder.bit ns1.wowservers.ru
      2⤵
        PID:2700
      • C:\Windows\SysWOW64\nslookup.exe
        nslookup ransomware.bit ns2.wowservers.ru
        2⤵
          PID:2584
        • C:\Windows\SysWOW64\nslookup.exe
          nslookup carder.bit ns2.wowservers.ru
          2⤵
            PID:2132
          • C:\Windows\SysWOW64\nslookup.exe
            nslookup ransomware.bit ns1.wowservers.ru
            2⤵
              PID:2420
            • C:\Windows\SysWOW64\nslookup.exe
              nslookup carder.bit ns1.wowservers.ru
              2⤵
                PID:2888
              • C:\Windows\SysWOW64\nslookup.exe
                nslookup ransomware.bit ns2.wowservers.ru
                2⤵
                  PID:1844
                • C:\Windows\SysWOW64\nslookup.exe
                  nslookup carder.bit ns2.wowservers.ru
                  2⤵
                    PID:2484
                  • C:\Windows\SysWOW64\nslookup.exe
                    nslookup ransomware.bit ns1.wowservers.ru
                    2⤵
                      PID:2692
                    • C:\Windows\SysWOW64\nslookup.exe
                      nslookup carder.bit ns1.wowservers.ru
                      2⤵
                        PID:1056
                      • C:\Windows\SysWOW64\nslookup.exe
                        nslookup ransomware.bit ns2.wowservers.ru
                        2⤵
                          PID:988
                        • C:\Windows\SysWOW64\nslookup.exe
                          nslookup carder.bit ns2.wowservers.ru
                          2⤵
                            PID:2992
                          • C:\Windows\SysWOW64\nslookup.exe
                            nslookup ransomware.bit ns1.wowservers.ru
                            2⤵
                              PID:1680
                            • C:\Windows\SysWOW64\nslookup.exe
                              nslookup carder.bit ns1.wowservers.ru
                              2⤵
                                PID:1724
                              • C:\Windows\SysWOW64\nslookup.exe
                                nslookup ransomware.bit ns2.wowservers.ru
                                2⤵
                                  PID:2212
                                • C:\Windows\SysWOW64\nslookup.exe
                                  nslookup carder.bit ns2.wowservers.ru
                                  2⤵
                                    PID:2228
                                  • C:\Windows\SysWOW64\nslookup.exe
                                    nslookup ransomware.bit ns1.wowservers.ru
                                    2⤵
                                      PID:584
                                    • C:\Windows\SysWOW64\nslookup.exe
                                      nslookup carder.bit ns1.wowservers.ru
                                      2⤵
                                        PID:1720
                                      • C:\Windows\SysWOW64\nslookup.exe
                                        nslookup ransomware.bit ns2.wowservers.ru
                                        2⤵
                                          PID:1144
                                        • C:\Windows\SysWOW64\nslookup.exe
                                          nslookup carder.bit ns2.wowservers.ru
                                          2⤵
                                            PID:1140
                                          • C:\Windows\SysWOW64\nslookup.exe
                                            nslookup ransomware.bit ns1.wowservers.ru
                                            2⤵
                                              PID:2152
                                            • C:\Windows\SysWOW64\nslookup.exe
                                              nslookup carder.bit ns1.wowservers.ru
                                              2⤵
                                                PID:1292
                                              • C:\Windows\SysWOW64\nslookup.exe
                                                nslookup ransomware.bit ns2.wowservers.ru
                                                2⤵
                                                  PID:1908
                                                • C:\Windows\SysWOW64\nslookup.exe
                                                  nslookup carder.bit ns2.wowservers.ru
                                                  2⤵
                                                    PID:572
                                                  • C:\Windows\SysWOW64\nslookup.exe
                                                    nslookup ransomware.bit ns1.wowservers.ru
                                                    2⤵
                                                      PID:296

                                                  Network

                                                  MITRE ATT&CK Matrix ATT&CK v13

                                                  Persistence

                                                  Boot or Logon Autostart Execution

                                                  1
                                                  T1547

                                                  Registry Run Keys / Startup Folder

                                                  1
                                                  T1547.001

                                                  Privilege Escalation

                                                  Boot or Logon Autostart Execution

                                                  1
                                                  T1547

                                                  Registry Run Keys / Startup Folder

                                                  1
                                                  T1547.001

                                                  Defense Evasion

                                                  Modify Registry

                                                  1
                                                  T1112

                                                  Discovery

                                                  Query Registry

                                                  2
                                                  T1012

                                                  Peripheral Device Discovery

                                                  1
                                                  T1120

                                                  System Information Discovery

                                                  2
                                                  T1082

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/2064-3-0x0000000000400000-0x0000000000444000-memory.dmp
                                                    Filesize

                                                    272KB

                                                  • memory/2064-2-0x00000000005B0000-0x00000000006B0000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/2064-4-0x0000000000400000-0x0000000000444000-memory.dmp
                                                    Filesize

                                                    272KB

                                                  • memory/2064-5-0x0000000000220000-0x0000000000237000-memory.dmp
                                                    Filesize

                                                    92KB

                                                  • memory/2064-7-0x0000000000400000-0x0000000000444000-memory.dmp
                                                    Filesize

                                                    272KB

                                                  • memory/2064-14-0x00000000005B0000-0x00000000006B0000-memory.dmp
                                                    Filesize

                                                    1024KB

                                                  • memory/2064-16-0x0000000000220000-0x0000000000237000-memory.dmp
                                                    Filesize

                                                    92KB